Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan thu nom snippets" » "van thu nom snippets", "luan thuc nom snippets", "dan thuc nom snippets", "lan tho nom snippets", "lan chu nom snippets", "lan thu nam snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("lan thu nom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan thu nom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan thu nom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan thu nom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.